The Crystal,wedged, cataloged under National Stock Number 5355-00-787-0644, is classified within Federal Supply Class 5355 (Knobs and Pointers) of the Hardware and Abrasives group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5355-00-787-0644 |
| Item Name | Crystal,wedged |
| FSC / FSG | 5355 / 53 — Knobs and Pointers |
| Status | ACTIVE |
| General Characteristics Item Description | 2.094 IN. NOMINAL DIA IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 200333/101230 | 3/9 Design control — primary reference Waltham Clock Co Inc |
| 200333 | 5/9 Secondary reference Waltham Clock Co Inc |
NSN 5355-00-787-0644 is a Crystal,wedged, classified under FSC 5355, Knobs and Pointers. Status: active.
4 possible matches (shared part number, not a government interchangeability claim): 5310-01-072-8932, 2835-01-329-8933, 5930-01-331-4078. Verify interchangeability with system specifications before substitution.
Key specifications for 5355-00-787-0644: General Characteristics Item Description: 2.094 IN. NOMINAL DIA IN; End Item Identification: 6645-00-793-5974 CLOCK. 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.